The wear of wrought aluminium alloys under dry sliding conditions

Mariyam Jameelah Ghazali, W. M. Rainforth, H. Jones

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The sliding wear response of several wrought aluminium alloys (2124, 3004, 5056 and 6092) against a high purity alumina (99.9%) counterface was investigated, at a fixed sliding speed of 1 m/s and a load range of 23-140 N. The counterface was chosen so as to minimise the chemically driven aspects of adhesive wear. Severe wear was observed at all loads, with specific wear rates ranging from 0.37×10-4 to 2.37×10-4 mm3/N m. In all cases a mechanically mixed layer (MML) was formed, principally from severely work hardened aluminium alloy, but also including fine alumina particles. The thickness and morphology of the layer depended strongly on alloy composition, but the specific wear rate did not depend on the MML properties in a simple manner. The surface work hardening characteristics differed between alloys, but as with the MML, there was no simple relationship between surface work hardening characteristics and specific wear rate. The main correlation was found between the normalised wear rate and normalised pressure, which implies that the hardness of the starting aluminium alloy is the critical variable.

Original languageEnglish
Pages (from-to)160-169
Number of pages10
JournalTribology International
Volume40
Issue number2 SPEC. ISS.
DOIs
Publication statusPublished - Feb 2007
Externally publishedYes

Fingerprint

wrought alloys
aluminum alloys
sliding
Aluminum alloys
Wear of materials
work hardening
Aluminum Oxide
Strain hardening
Alumina
aluminum oxides
adhesives
Adhesives
purity
hardness
Hardness
Chemical analysis

Keywords

  • Aluminium alloys
  • Mechanically mixed layer
  • Wear

ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Engineering(all)
  • Mechanical Engineering
  • Surfaces, Coatings and Films

Cite this

The wear of wrought aluminium alloys under dry sliding conditions. / Ghazali, Mariyam Jameelah; Rainforth, W. M.; Jones, H.

In: Tribology International, Vol. 40, No. 2 SPEC. ISS., 02.2007, p. 160-169.

Research output: Contribution to journalArticle

Ghazali, Mariyam Jameelah ; Rainforth, W. M. ; Jones, H. / The wear of wrought aluminium alloys under dry sliding conditions. In: Tribology International. 2007 ; Vol. 40, No. 2 SPEC. ISS. pp. 160-169.
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